/Engine/Plugins/Media/PixelStreaming/Source/PixelStreaming/Public/IPixelStreamingModule.h
Hook to set the input to the external video source. Will also call Start() on the external video source
void SetExternalVideoSourceInput ( [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FPixelStreamingVideoInput](API\Plugins\PixelStreaming\FPixelStreamingVideoInput) > InVideoInput )